package com.lei.mall.config;

import cn.hutool.json.JSONUtil;
import com.lei.mall.common.api.CommonResult;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 当用户没有访问权限时的处理器，用于返回JSON格式的处理结果
 * 当访问接口没有权限时，自定义的返回结果
 * @author lil
 */
public class RestfulAccessDeniedHandler implements AccessDeniedHandler
{
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException e) throws IOException{
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().println(JSONUtil.parse(CommonResult.forbidden(e.getMessage())));
        response.getWriter().flush();
    }
}
